sql分页带参数,带排序等,动态实现的方法

USE [YQOBS]
GO
/****** Object:  StoredProcedure [dbo].[PageList]    Script Date: 11/06/2014 11:39:35 ******/
SET ANSI_NULLS OFF
GO
SET QUOTED_IDENTIFIER OFF
GO
------------------------------------------------------------
--
--通用的分页存储过程
--
-------------------------------------------------------------
ALTER PROCEDURE [dbo].[PageList]
    (
@tblName     nvarchar(max),        ----要显示的表或多个表的连接
@fldName     nvarchar(4000) = *,    ----要显示的字段列表
@pageSize    int = 1,        ----每页显示的记录个数
@page        int = 10,        ----要显示那一页的记录
@fldSort    nvarchar(200) = null,    ----排序字段列表或条件
@Sort        bit = 0,        ----排序方法,0为升序,1为降序(如果是多字段排列Sort指代最后一个排序字段的排列顺序(最后一个排序字段不加排序标记)--程序传参如:‘ SortA Asc,SortB Desc,SortC ‘)
@strCondition    nvarchar(2000) = null,    ----查询条件,不需where,以And开始
@ID        nvarchar(150),        ----主表的主键
@Dist                 bit = 0 ,          ----是否添加查询字段的 DISTINCT 默认0不添加/1添加
@pageCount    int = 1 output,            ----查询结果分页后的总页数
@Counts    int = 1 output,                ----查询到的记录数
@strSql          nvarchar(max) = ‘‘ output  -----最后返回的SQL语句
)
AS
SET NOCOUNT ON
Declare @sqlTmp nvarchar(4000)        ----存放动态生成的SQL语句
Declare @strTmp nvarchar(4000)        ----存放取得查询结果总数的查询语句
Declare @strID     nvarchar(4000)        ----存放取得查询开头或结尾ID的查询语句
Declare @strSortType nvarchar(10)    ----数据排序规则A
Declare @strFSortType nvarchar(10)    ----数据排序规则B
Declare @SqlSelect nvarchar(50)         ----对含有DISTINCT的查询进行SQL构造
Declare @SqlCounts nvarchar(50)          ----对含有DISTINCT的总数查询进行SQL构造
if @Dist  = 0
begin
    set @SqlSelect = select 
    set @SqlCounts = Count(*)
end
else
begin
    set @SqlSelect = select distinct 
    set @SqlCounts = Count(DISTINCT +@ID+)
end
if @Sort=0
begin
    set @strFSortType= ASC 
    set @strSortType= DESC 
end
else
begin
    set @strFSortType= DESC 
    set @strSortType= ASC 
end
--------生成查询语句--------
--此处@strTmp为取得查询结果数量的语句
if @strCondition is null or @strCondition=‘‘     --没有设置显示条件
begin
    set @sqlTmp =  @fldName +  From  + @tblName
    set @strTmp = @SqlSelect+ @Counts=+@SqlCounts+ FROM +@tblName
    set @strID =  From  + @tblName
end
else
begin
    set @sqlTmp = + @fldName + From  + @tblName +  where (1>0)  + @strCondition
    set @strTmp = @SqlSelect+ @Counts=+@SqlCounts+ FROM +@tblName +  where (1>0)  + @strCondition
    set @strID =  From  + @tblName +  where (1>0)  + @strCondition
end
----取得查询结果总数量-----
exec sp_executesql @strTmp,N@Counts int out ,@Counts out
declare @tmpCounts int
if @Counts = 0
    set @tmpCounts = 1
else
    set @tmpCounts = @Counts
    --取得分页总数
    set @pageCount=(@tmpCounts+@pageSize-1)/@pageSize
    /**//**当前页大于总页数 取最后一页**/
    if @page>@pageCount
        set @page=@pageCount
    --/*-----数据分页2分处理-------*/
    declare @pageIndex int --总数/页大小
    declare @lastcount int --总数%页大小 
    set @pageIndex = @tmpCounts/@pageSize
    set @lastcount = @tmpCounts%@pageSize
    if @lastcount > 0
        set @pageIndex = @pageIndex + 1
    else
        set @lastcount = @pagesize
    --//***显示分页
    if @strCondition is null or @strCondition=‘‘     --没有设置显示条件
    begin
        if @pageIndex<2 or @page<=@pageIndex / 2 + @pageIndex % 2   --前半部分数据处理
            begin 
                set @strTmp=@SqlSelect+ top + CAST(@pageSize as VARCHAR(4))+ + @fldName+ from +@tblName
                        + where +@ID+ not in(+ @SqlSelect+ top + CAST(@pageSize*(@page-1) as Varchar(20)) + + @ID + from +@tblName
                        + order by + @fldSort + + @strFSortType+)
                        + order by + @fldSort + + @strFSortType 
            end
        else
            begin
            set @page = @pageIndex-@page+1 --后半部分数据处理
                if @page <= 1 --最后一页数据显示
                    set @strTmp=@SqlSelect+ * from (+@SqlSelect+ top + CAST(@lastcount as VARCHAR(4))+ + @fldName+ from +@tblName
                        + order by + @fldSort + + @strSortType+) AS TempTB+ order by + @fldSort + + @strFSortType 
                else                
                    set @strTmp=@SqlSelect+ * from (+@SqlSelect+ top + CAST(@pageSize as VARCHAR(4))+ + @fldName+ from +@tblName
                        + where +@ID+ not in(+ @SqlSelect+ top + CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) + + @ID + from +@tblName
                        + order by + @fldSort + + @strSortType+)
                        + order by + @fldSort + + @strSortType+) AS TempTB+ order by + @fldSort + + @strFSortType 
            end
    end
    else --有查询条件
    begin
        if @pageIndex<2 or @page<=@pageIndex / 2 + @pageIndex % 2   --前半部分数据处理
        begin 
                set @strTmp=@SqlSelect+ top + CAST(@pageSize as VARCHAR(4))+ + @fldName + from  +@tblName
                    + where +@ID+ not in(+ @SqlSelect+ top + CAST(@pageSize*(@page-1) as Varchar(20)) + + @ID + from +@tblName
                    + Where (1>0)  + @strCondition +  order by + @fldSort + + @strFSortType+)
                    +  + @strCondition +  order by + @fldSort + + @strFSortType                 
        end
        else
        begin 
            set @page = @pageIndex-@page+1 --后半部分数据处理
            if @page <= 1 --最后一页数据显示
                    set @strTmp=@SqlSelect+ * from (+@SqlSelect+ top + CAST(@lastcount as VARCHAR(4))+ + @fldName+ from +@tblName
                        + where (1>0) + @strCondition + order by + @fldSort + + @strSortType+) AS TempTB+ order by + @fldSort + + @strFSortType
            else
                    set @strTmp=@SqlSelect+ * from (+@SqlSelect+ top + CAST(@pageSize as VARCHAR(4))+ + @fldName+ from +@tblName
                        + where +@ID+ not in(+ @SqlSelect+ top + CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) + + @ID + from +@tblName
                        + where (1>0) + @strCondition + order by + @fldSort + + @strSortType+)
                        + @strCondition + order by + @fldSort + + @strSortType+) AS TempTB+ order by + @fldSort + + @strFSortType 
        end    
    end
------返回查询结果-----
set @strSql = @strTmp
--print @strTmp
exec sp_executesql @strTmp
print @strTmp

 

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